GLB

GLB Filter Cleanse (2 lb.)

This multi-purpose granular formulation cleans and unclogs filters of grease, oils and scale with a combination of acids and detergents. Its unique chemistry will gradually change from red to yellow as it cleans.

Features:

Special solution changes color from red to yellow when filter is clean Multi-purpose, granular formulation cleans any type of filter (sand, cartridge or D.E. filters)

Tips:Use routinely once every month or two during season to maintain efficient operation. Clean filter early in the spring to remove winter debris and after a period of intense use. It's also important to clean the filter when preparing pool for winter.